<!doctype html>
<html lang="zh-CN">
  <head>
    <meta charset="UTF-8" />
    <meta
      name="viewport"
      content="width=device-width, user-scalable=yes, initial-scale=1.0, maximum-scale=2.0, minimum-scale=0.5"
    />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <meta name="renderer" content="webkit" />
    <title>demo</title>
    <style>
      .wrapper {
        border: 1px solid #000;
      }
    </style>
  </head>
  <body>
    <div><span>1</span><span>1</span></div>
    <script src="./demo.js"></script>
    <script></script>
  </body>
</html>
